Structure 21030 · Jackson County, IN

SR 58 over Branch Runt Run

Carries SR 58 over Branch Runt Run, 01.70 E SR 258.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT30 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 7/9Substructure 5/9 · sets the rating

30 ft end to end. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a box-beam bridge.

Built1965rebuilt 1980
Length29.9 ft9.1 m
Daily traffic1,016counted 2004
Last inspectedJanuary 2024every 24 months

Location

StateIndiana
CountyJackson
Location01.70 E SR 258
CarriesSR 58
CrossesBranch Runt Run
Coordinates39.00180, -86.09719

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length29.9 ft (9.1 m)
Max Span26.9 ft (8.2 m)
Deck Width30.2 ft (9.2 m)
Deck Area83.7 sq m
Main Spans1
Year Built1965 (reconstructed 1980)

Traffic

Avg Daily Traffic1,016 (2004)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number021030

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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